// Act, returns a value of true to signal that it is
// done and should not be scheduled again.
func (a *actor) Act(g grid.Grid, exit <-chan bool) bool {
tx, err := grid.NewSender(g.Nats(), 100)
if err != nil {
log.Printf("%v: error: %v", a.ID(), err)
}
defer tx.Close()
rx, err := grid.NewReceiver(g.Nats(), a.ID(), 1, 0)
if err != nil {
log.Printf("%v: error: %v", a.ID(), err)
}
defer rx.Close()
ticker := time.NewTicker(2 * time.Second)
defer ticker.Stop()
for {
select {
case <-exit:
return true
case now := <-ticker.C:
if a.ID() == Leader {
tx.Send(Follower, &Msg{Time: now, From: a.ID()})
}
case m := <-rx.Msgs():
log.Printf("%v: received: %v", a.ID(), m)
}
}
}
func (a *ConsumerActor) Act(g grid.Grid, exit <-chan bool) bool {
tx, err := grid.NewSender(g.Nats(), 100)
if err != nil {
log.Fatalf("%v: error: %v", a.ID(), err)
}
defer tx.Close()
rx, err := grid.NewReceiver(g.Nats(), a.ID(), 4, 0)
if err != nil {
log.Fatalf("%v: error: %v", a.ID(), err)
}
defer rx.Close()
a.tx = tx
a.rx = rx
a.grid = g
a.exit = exit
a.chaos = NewChaos(a.ID())
defer a.chaos.Stop()
d := dfa.New()
d.SetStartState(Starting)
d.SetTerminalStates(Exiting, Terminating)
d.SetTransitionLogger(func(state dfa.State) {
log.Printf("%v: switched to state: %v", a, state)
})
d.SetTransition(Starting, EverybodyStarted, Running, a.Running)
d.SetTransition(Starting, EverybodyFinished, Terminating, a.Terminating)
d.SetTransition(Starting, Failure, Exiting, a.Exiting)
d.SetTransition(Starting, Exit, Exiting, a.Exiting)
d.SetTransition(Running, SendFailure, Resending, a.Resending)
d.SetTransition(Running, EverybodyFinished, Finishing, a.Finishing)
d.SetTransition(Running, Failure, Exiting, a.Exiting)
d.SetTransition(Running, Exit, Exiting, a.Exiting)
d.SetTransition(Resending, SendSuccess, Running, a.Running)
d.SetTransition(Resending, SendFailure, Resending, a.Resending)
d.SetTransition(Resending, Failure, Exiting, a.Exiting)
d.SetTransition(Resending, Exit, Exiting, a.Exiting)
d.SetTransition(Finishing, EverybodyFinished, Terminating, a.Terminating)
d.SetTransition(Finishing, Failure, Exiting, a.Exiting)
d.SetTransition(Finishing, Exit, Exiting, a.Exiting)
final, _ := d.Run(a.Starting)
if final == Terminating {
return true
}
return false
}